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Finding the Fourth Proportional to 163,709.85, 225,929.48 and 92,094.51

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Solution

The fourth proportional to 163,709.85, 225,929.48 and 92,094.51 is: 127,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,709.85 : 225,929.48 = 92,094.51 : x
  2. Step 2: Convert to fraction form
    163,709.85/225,929.48 = 92,094.51/x
  3. Step 3: Cross multiply
    163,709.85x = 225,929.48 × 92,094.51
  4. Step 4: Simplify right side
    163,709.85x = 20,806,864,294.68
  5. Step 5: Solve for x
    x = 20,806,864,294.68/163,709.85
  6. Step 6: Final answer
    x = 127,095.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.